2008 Mercedes-Benz ML350 Engine Problems
- Complaints
- 3about this part
- Share
- 4%of 67 total for the year
- Median mileage
- 104,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the engine of the 2008 Mercedes-Benz ML350, 4% of the 67 complaints for this model year. Where a mileage was given, the median is 104,000 miles. 1 a fire, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Monday morning, july 24, 2017 there were torrential downpours in the early morning leaving lots of standing water on roadways. After driving the car and going through standing water on roadways, car lost power and then engine stopped. Fortunately, I was able to coast onto the shoulder of the roadway and came to a safe resting place. Car would not restart. I was stranded with an inoperative vehicle.”
NHTSA complaint #11011627, filed 2017-07, 121,000 miles“The contact owns a 2007 Mercedes-Benz ml 350. The contact stated that while driving 45 MPH, the vehicle started to decelerate without warning. Also, the contact mentioned that smoke started to emit from the engine compartment. The vehicle was not repaired or diagnosed. The VIN was not available. The approximate failure mileage was 87,000.”
NHTSA complaint #10607448, filed 2014-07, 87,000 milesRelated service bulletins
- 11017039Apr 1, 2025Complaint Vehicle with atypical reduced heat output. Cause Silicate granulate may have escaped from a damaged bag in the expansion reservoir (not visible), reducing the coolant…
- 10158329Oct 9, 2017Oil in engine wiring harness
- 10135598Mar 25, 2015Engine diagnosis warning lamp lights up in instrument cluster, fault code U145400: "Implausible data were received from the ethanol sensor"
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2015 | 11 | 21% |
| 2014 | 16 | 24% |
| 2013 | 13 | 23% |
| 2012 | 21 | 32% |
| 2011 | 7 | 6% |
| 2010 | 5 | 5% |
| 2008 | 3 | 4% |
| 2007 | 5 | 6% |
| 2006 | 36 | 21% |
| 2005 | 1 | 4% |
| 2004 | 2 | 6% |
| 2003 | 2 | 8% |
Other parts of the 2008 Mercedes-Benz ML350
24 complaintsElectrical system
13 complaintsBrakes
8 complaintsExterior lighting
7 complaintsBody and structure
7 complaintsTransmission and drivetrain
4 complaintsAir bags
3 complaintsOther or unknown
3 complaintsSeat belts
3 complaintsSeats
3 complaintsVehicle speed control
3 complaintsFuel system
2 complaints
← All problems reported for the 2008 Mercedes-Benz ML350
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology